<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head th:replace="admin/_fragments :: head(~{::title})">
    <meta charset="UTF-8">
    <!--移动端预览-->
    <meta name="viewport" content="device-width, initial-scale=1.0">

    <title>后台管理</title>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/semantic-ui/2.2.4/semantic.min.css">
    <!--引入自定义CSS-->
    <link rel="stylesheet" href="../../static/css/me.css">
</head>
<body>
    <br/>
    <br/>
    <br/>
    <div class="m-container-small m-padded-tb-massive" style="max-width: 28em  !important;">
        <div class="ui container">
            <div class="ui middle aligned center aligned grid">
                <div class="column">
                    <h2 class="ui teal image header">
                        <!--<img src="assets/images/logo.png" class="image">-->
                        <div class="content">
                            LPC后台管理登录
                        </div>
                    </h2>
                    <form class="ui large form" method="post" action="#" th:action="@{/admin/login}">
                        <div class="ui  segment">
                            <div class="field">
                                <div class="ui left icon input">
                                    <i class="user icon"></i>
                                    <input type="text" name="username" placeholder="用户名">
                                </div>
                            </div>
                            <div class="field">
                                <div class="ui left icon input">
                                    <i class="lock icon"></i>
                                    <input type="password" name="password" placeholder="密码">
                                </div>
                            </div>
                            <button class="ui fluid large teal submit button">登   录</button>
                        </div>

                        <div class="ui error mini message"></div>
                        <div class="ui mini negative message" th:unless="${#strings.isEmpty(message)}" th:text="${message}"></div>

                    </form>
                </div>
            </div>
        </div>

    </div>

    <!--/*/<th:block th:replace="admin/_fragments :: script">/*/-->
    <!--引入jQuery-->
    <script src="https://cdn.jsdelivr.net/npm/jquery@3.2/dist/jquery.min.js"></script>
    <script src="https://cdn.jsdelivr.net/semantic-ui/2.2.4/semantic.min.js"></script>
    <!--/*/</th:block>/*/-->

<script>
    /*表单校验*/
    $('.ui.form').form({
        fields : {
            username : {
                identifier: 'username',
                rules: [{
                    type : 'empty',
                    prompt: '请输入用户名'
                }]
            },
            password : {
                identifier: 'password',
                rules: [{
                    type : 'empty',
                    prompt: '请输入密码'
                }]
            }
        }
    });
</script>
    <script type="text/javascript">
        (function(window,document,undefined){
            var hearts = [];
            window.requestAnimationFrame = (function(){
                return window.requestAnimationFrame ||
                    window.webkitRequestAnimationFrame ||
                    window.mozRequestAnimationFrame ||
                    window.oRequestAnimationFrame ||
                    window.msRequestAnimationFrame ||
                    function (callback){
                        setTimeout(callback,1000/60);
                    }
            })();
            init();
            function init(){
                css(".heart{width: 10px;height: 10px;position: fixed;background: #f00;transform: rotate(45deg);-webkit-transform: rotate(45deg);-moz-transform: rotate(45deg);}.heart:after,.heart:before{content: '';width: inherit;height: inherit;background: inherit;border-radius: 50%;-webkit-border-radius: 50%;-moz-border-radius: 50%;position: absolute;}.heart:after{top: -5px;}.heart:before{left: -5px;}");
                attachEvent();
                gameloop();
            }
            function gameloop(){
                for(var i=0;i<hearts.length;i++){
                    if(hearts[i].alpha <=0){
                        document.body.removeChild(hearts[i].el);
                        hearts.splice(i,1);
                        continue;
                    }
                    hearts[i].y--;
                    hearts[i].scale += 0.004;
                    hearts[i].alpha -= 0.013;
                    hearts[i].el.style.cssText = "left:"+hearts[i].x+"px;top:"+hearts[i].y+"px;opacity:"+hearts[i].alpha+";transform:scale("+hearts[i].scale+","+hearts[i].scale+") rotate(45deg);background:"+hearts[i].color;
                }
                requestAnimationFrame(gameloop);
            }
            function attachEvent(){
                var old = typeof window.onclick==="function" && window.onclick;
                window.onclick = function(event){
                    old && old();
                    createHeart(event);
                }
            }
            function createHeart(event){
                var d = document.createElement("div");
                d.className = "heart";
                hearts.push({
                    el : d,
                    x : event.clientX - 5,
                    y : event.clientY - 5,
                    scale : 1,
                    alpha : 1,
                    color : randomColor()
                });
                document.body.appendChild(d);
            }
            function css(css){
                var style = document.createElement("style");
                style.type="text/css";
                try{
                    style.appendChild(document.createTextNode(css));
                }catch(ex){
                    style.styleSheet.cssText = css;
                }
                document.getElementsByTagName('head')[0].appendChild(style);
            }
            function randomColor(){
                return "rgb("+(~~(Math.random()*255))+","+(~~(Math.random()*255))+","+(~~(Math.random()*255))+")";
            }
        })(window,document);
    </script>
</body>
</html>